EXAR Carbon Fiber Wheelset Standard 2022

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Light, Integral, Aerodynamic Design, Excellent Performance

EXAR carbon wheelset Standard 2022 has been upgraded in many aspects. It has lighter body, wider rim, unique braking rim design. To get the best stiffness, it adopts elaborate hub structure, rim design and lacing pattern.

Frame Height
  • DB45
  • DB58
  • RB45
  • RB58

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EXAR Carbon Fiber Wheelset Standard 2022
Light, Integral, Aerodynamic Design, Excellent Performance

Integral Design, No Sub-Assemblies

Instead of being a combination of components and sub-assemblies, EXAR carbon fiber wheelsets are quality and high-performing products featuring an integral design of appearance, weight, and performance.
Lighter, Always with You

EXAR standard series rims are made of T700 carbon fiber with special rim structure which offers an optimized blend of weight, strength and durability. The light design effectively reduces driving weight and improves sprinting performance.

Wider for Better Aerodynamics

EXAR 2022 wheelset series have an external width of 27mm and an internal width of 20mm, which are wider than most of existing wheelset products.
The 27mm wide rim is wider than most of the current wheelsets, providing a flatter aerodynamic surface with 25c and 28c outer tires and thus reducing air resistance.

Balance Design of Spoke Tension

For the rear wheel of the rim brake variant, and both front and rear wheels of the the disc brake variant, the 2:1 balanced lacing pattern is applied to reasonably distribute spoke tension and enhance the pedaling force. The spoke tension of all models of rear-wheel drive side is 120kgf ±10%, with vigorous and powerful treading.
Unique Rim Design

To improve the wheelset stability, stiffness and crosswind resistance of different frame heights, targeted wheel rim designs were made.
The cross-sections of EXAR 2022 wheelsets are redesigned for greater stability and rigidity.

Elaborate Hub Structure

The rear-wheel hub WR size is increased to ensure consistent spoke tension on both driving and non-driving side, hence to deliver outstanding lateral stiffness.
Adopting FEA technology and conducting several tests to identify the maximum force on the hub, to get a light and sturdy hub.

Balanced Stiffness and Braking Effect

To obtain a better balance lateral stiffness, driving stiffness and braking effect, the hub geometry has been adjusted accordingly. The rear-wheel drive side flange diameter is increased and the spoke direction is aligned with the torque direction and the wheelset driving efficiency is improved.
Frame Height RB45 & DB45 :45mm / RB58 & DB58:58mm
Weight RB45:1460g / RB58:1570g / DB45:1520g / DB58:1620g(The weight of wheelset does not include the weight of a quick release skewer and a tire cushion. The weight has an error of ±3%)
External Rim Width 27mm
Internal Rim Width 20mm
Rim Material T700
Brake RB45 & RB58 :Rim brake / DB45 & DB58:Center lock disc brake
Spoke Type Pillar wing21
Front Wheel Spoke Tension 100kgf±10%
Rear Wheel Spoke Tension RB45 & RB58:Drive side 120kgf±10%, Non-drive side 100kgf±10% / DB45 & DB58 :120kgf±10%
Front Wheel Spoke Lacing Pattern RB45 & RB58:Straight-pull, 16H / DB45 & DB58 :21H, 2:1, Brake side×2, Non-brake side (Straight Pull)
Rear Wheel Spoke Lacing Pattern RB45 & RB45:21H, 2:1, Drive side×2, Non-drive side (Straight Pull) / DB45 & DB58 :24H, 2:1, Drive side×2, Brake side×2
Rim Type Non-asymmetric
Frame Spacing RB45 & RB58:100/130mm quick release // DB45 & DB58:100/142mm thru-axle (100/135mm quick release, available separately)
Freehub Standard SHIMANO 11-speed (CP cassette body, available separately for XDR cassette body)
Compatible Cassette SHIMANO 8-11 speed, SRAM 8-12 speed (Available separately for XDR cassette body for 12-speed). Campagnolo 8-12 speed (Available separately for CP cassette body in all models)
Compatible Frame 130mm quick release rim brake, 142mm thru-axle disc brake, 135mm quick release disc brake (Available separately for conversion kits).
In the box


  • Carbon Fiber Front Wheel*1
  • Carbon Fiber Rear Wheel*1
  • Vacuum Tire Cushion*2 (factory-installed)
  • User Manual*1
  • Special Carbon Fiber Brake Block*4
  • Quick Release*2


  • Carbon Fiber Front Wheel*1
  • Carbon Fiber Rear Wheel*1
  • Vacuum Tire Cushion*2 (factory-installed)
  • User Manual*1

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